MFC-9440CN FAQs & Troubleshooting MFC-9440CN Not your product? Sort by: Updated Date Popularity 3 Results 1. 30/03/2007 How do I install the Optional Tray Unit? 2. 26/03/2007 What kind of memory can I use? 3. 27/02/2007 How do I install additional memory? Consumables / Paper / Accessories FAQs & Troubleshooting